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Sony Alpha A300 - Test Shots - ISO Performance

A range of test shots are shown over the next few pages. Here, the full size images at the minimum and maximum ISO settings have been reduced for bandwidth purposes to let you see the full image, and a series of crops taken from original full resolution images at a range of ISO settings have been included in order for you to gain an appreciation of the overall quality.



This is the full frame at 100 ISO.


At the lowest sensitivity setting the image quality is very good, with sharp detail and no image noise.



Not much difference at 200 ISO, image quality is still good.




There is some noise visible in the darker areas of the frame at 400 ISO, but the overall level of detail remains high.



There is pronounced colour mottling in the darker areas, and some detail is lost at 800 ISO.



Progressively more noise at 1600 ISO.



At 3200 ISO most fine detail has been lost and image quality is quite poor.



This is the full frame at 3200 ISO.


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